Change in coreboot[master]: Doc/Intel: Remove out-of-date documentation

[Angel Pons (Code Review)]

Attention is currently required from: Paul Menzel, Arthur Heymans, Patrick Rudolph.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/57400 )

Change subject: Doc/Intel: Remove out-of-date documentation
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Patch Set 1:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/57400/comment/e377bd7f_461ddb50 
PS1, Line 13:  Oh, and it doesn't seem to have a license
            : associated to it.
> As it was committed to the coreboot repository, it’s GPLv2, isn’t it? Maybe remove this statement.

AFAIUI, GPL is for code, not documentation. And I don't think licensing works this way. The Sphinx documentation uses `© Copyright CC-by 4.0 the coreboot project`, for example.